Examples with DocumentFile androidx.documentfile.provider.DocumentFile used on opensource projects

Example 21 with DocumentFile

use of androidx.documentfile.provider.DocumentFile in project AmazeFileManager by TeamAmaze.

the class WriteFileAbstraction method doInBackground.

@Override
protected Integer doInBackground(Void... voids) {
    try {
        OutputStream outputStream;
        File destFile = null;
        switch(fileAbstraction.scheme) {
            case CONTENT:
                if (fileAbstraction.uri == null)
                    throw new NullPointerException("Something went really wrong!");
                try {
                    if (fileAbstraction.uri.getAuthority().equals(context.get().getPackageName())) {
                        DocumentFile documentFile = DocumentFile.fromSingleUri(AppConfig.getInstance(), fileAbstraction.uri);
                        if (documentFile != null && documentFile.exists() && documentFile.canWrite())
                            outputStream = contentResolver.openOutputStream(fileAbstraction.uri);
                        else {
                            destFile = FileUtils.fromContentUri(fileAbstraction.uri);
                            outputStream = openFile(destFile, context.get());
                        }
                    } else {
                        outputStream = contentResolver.openOutputStream(fileAbstraction.uri);
                    }
                } catch (RuntimeException e) {
                    throw new StreamNotFoundException(e);
                }
                break;
            case FILE:
                final HybridFileParcelable hybridFileParcelable = fileAbstraction.hybridFileParcelable;
                if (hybridFileParcelable == null)
                    throw new NullPointerException("Something went really wrong!");
                Context context = this.context.get();
                if (context == null) {
                    cancel(true);
                    return null;
                }
                outputStream = openFile(hybridFileParcelable.getFile(), context);
                destFile = fileAbstraction.hybridFileParcelable.getFile();
                break;
            default:
                throw new IllegalArgumentException("The scheme for '" + fileAbstraction.scheme + "' cannot be processed!");
        }
        if (outputStream == null)
            throw new StreamNotFoundException();
        outputStream.write(dataToSave.getBytes());
        outputStream.close();
        if (cachedFile != null && cachedFile.exists() && destFile != null) {
            // cat cache content to original file and delete cache file
            ConcatenateFileCommand.INSTANCE.concatenateFile(cachedFile.getPath(), destFile.getPath());
            cachedFile.delete();
        }
    } catch (IOException e) {
        e.printStackTrace();
        return EXCEPTION_IO;
    } catch (StreamNotFoundException e) {
        e.printStackTrace();
        return EXCEPTION_STREAM_NOT_FOUND;
    } catch (ShellNotRunningException e) {
        e.printStackTrace();
        return EXCEPTION_SHELL_NOT_RUNNING;
    }
    return NORMAL;
}

Example 22 with DocumentFile

use of androidx.documentfile.provider.DocumentFile in project Signal-Android by WhisperSystems.

the class BackupUtil method canUserAccessBackupDirectory.

public static boolean canUserAccessBackupDirectory(@NonNull Context context) {
    if (isUserSelectionRequired(context)) {
        Uri backupDirectoryUri = SignalStore.settings().getSignalBackupDirectory();
        if (backupDirectoryUri == null) {
            return false;
        }
        DocumentFile backupDirectory = DocumentFile.fromTreeUri(context, backupDirectoryUri);
        return backupDirectory != null && backupDirectory.exists() && backupDirectory.canRead() && backupDirectory.canWrite();
    } else {
        return Permissions.hasAll(context, Manifest.permission.WRITE_EXTERNAL_STORAGE);
    }
}

Example 23 with DocumentFile

use of androidx.documentfile.provider.DocumentFile in project AntennaPod by AntennaPod.

the class AddFeedFragment method addLocalFolder.

private Feed addLocalFolder(Uri uri) {
    if (Build.VERSION.SDK_INT < 21) {
        return null;
    }
    getActivity().getContentResolver().takePersistableUriPermission(uri, Intent.FLAG_GRANT_READ_URI_PERMISSION);
    DocumentFile documentFile = DocumentFile.fromTreeUri(getContext(), uri);
    if (documentFile == null) {
        throw new IllegalArgumentException("Unable to retrieve document tree");
    }
    String title = documentFile.getName();
    if (title == null) {
        title = getString(R.string.local_folder);
    }
    Feed dirFeed = new Feed(Feed.PREFIX_LOCAL_FOLDER + uri.toString(), null, title);
    dirFeed.setItems(Collections.emptyList());
    dirFeed.setSortOrder(SortOrder.EPISODE_TITLE_A_Z);
    Feed fromDatabase = DBTasks.updateFeed(getContext(), dirFeed, false);
    DBTasks.forceRefreshFeed(getContext(), fromDatabase, true);
    return fromDatabase;
}

Example 24 with DocumentFile

use of androidx.documentfile.provider.DocumentFile in project AntennaPod by AntennaPod.

the class LocalFeedUpdater method tryUpdateFeed.

private static void tryUpdateFeed(Feed feed, Context context) throws IOException {
    String uriString = feed.getDownload_url().replace(Feed.PREFIX_LOCAL_FOLDER, "");
    DocumentFile documentFolder = DocumentFile.fromTreeUri(context, Uri.parse(uriString));
    if (documentFolder == null) {
        throw new IOException("Unable to retrieve document tree. " + "Try re-connecting the folder on the podcast info page.");
    }
    if (!documentFolder.exists() || !documentFolder.canRead()) {
        throw new IOException("Cannot read local directory. " + "Try re-connecting the folder on the podcast info page.");
    }
    if (feed.getItems() == null) {
        feed.setItems(new ArrayList<>());
    }
    // make sure it is the latest 'version' of this feed from the db (all items etc)
    feed = DBTasks.updateFeed(context, feed, false);
    // list files in feed folder
    List<DocumentFile> mediaFiles = new ArrayList<>();
    Set<String> mediaFileNames = new HashSet<>();
    for (DocumentFile file : documentFolder.listFiles()) {
        String mime = file.getType();
        if (mime == null) {
            continue;
        }
        MediaType mediaType = MediaType.fromMimeType(mime);
        if (mediaType == MediaType.UNKNOWN) {
            String path = file.getUri().toString();
            int fileExtensionPosition = path.lastIndexOf('.');
            if (fileExtensionPosition >= 0) {
                String extensionWithoutDot = path.substring(fileExtensionPosition + 1);
                mediaType = MediaType.fromFileExtension(extensionWithoutDot);
            }
        }
        if (mediaType == MediaType.AUDIO || mediaType == MediaType.VIDEO) {
            mediaFiles.add(file);
            mediaFileNames.add(file.getName());
        }
    }
    // add new files to feed and update item data
    List<FeedItem> newItems = feed.getItems();
    for (DocumentFile f : mediaFiles) {
        FeedItem oldItem = feedContainsFile(feed, f.getName());
        FeedItem newItem = createFeedItem(feed, f, context);
        if (oldItem == null) {
            newItems.add(newItem);
        } else {
            oldItem.updateFromOther(newItem);
        }
    }
    // remove feed items without corresponding file
    Iterator<FeedItem> it = newItems.iterator();
    while (it.hasNext()) {
        FeedItem feedItem = it.next();
        if (!mediaFileNames.contains(feedItem.getLink())) {
            it.remove();
        }
    }
    feed.setImageUrl(getImageUrl(context, documentFolder));
    feed.getPreferences().setAutoDownload(false);
    feed.getPreferences().setAutoDeleteAction(FeedPreferences.AutoDeleteAction.NO);
    feed.setDescription(context.getString(R.string.local_feed_description));
    feed.setAuthor(context.getString(R.string.local_folder));
    // update items, delete items without existing file;
    // only delete items if the folder contains at least one element to avoid accidentally
    // deleting played state or position in case the folder is temporarily unavailable.
    boolean removeUnlistedItems = (newItems.size() >= 1);
    DBTasks.updateFeed(context, feed, removeUnlistedItems);
}

Example 25 with DocumentFile

use of androidx.documentfile.provider.DocumentFile in project AntennaPod by AntennaPod.

the class DocumentFileExportWorker method exportObservable.

public Observable<DocumentFile> exportObservable() {
    DocumentFile output = DocumentFile.fromSingleUri(context, outputFileUri);
    return Observable.create(subscriber -> {
        OutputStream outputStream = null;
        OutputStreamWriter writer = null;
        try {
            Uri uri = output.getUri();
            outputStream = context.getContentResolver().openOutputStream(uri);
            if (outputStream == null) {
                throw new IOException();
            }
            writer = new OutputStreamWriter(outputStream, Charset.forName("UTF-8"));
            exportWriter.writeDocument(DBReader.getFeedList(), writer, context);
            subscriber.onNext(output);
        } catch (IOException e) {
            subscriber.onError(e);
        } finally {
            if (writer != null) {
                try {
                    writer.close();
                } catch (IOException e) {
                    subscriber.onError(e);
                }
            }
            if (outputStream != null) {
                try {
                    outputStream.close();
                } catch (IOException e) {
                    subscriber.onError(e);
                }
            }
            subscriber.onComplete();
        }
    });
}